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There is really no need to add salt to any of your tanks - in general, it is only recommended to use salt to treat certain illnesses that respond to it (like ick). Best to only use it for therapeutic reasons.

Fresh water IS fresh water

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Originally Posted by sheamurai

There's really no need for salt at all, it's just added expense for debatable/dubious benefit.

+1
Totally agree

Gas mileage isn't everythingOIIIIIIIOLack of planning on your part does not constitute an emergency on my part.Why pretend there are no stupid questions? Actually, There are many stupid questions: "Should I drink this bleach?" Is just one example.
Having said that, Just because it's a stupid question doesn't mean that it shouldn't be asked. It's better to know.A warm beer is better than a cold beer. Because nothing is better than a cold beer, and a warm beer is better than nothing.

Because the guppies have babies montly and I can only sell them every 3 months (luckily I sell monthly), I found that a little salt helped to keep ich down. Also the salt does not affect the guppies.
I used to have a large number of guppies in the tank.

However, I don't have as crowded a tank now... so maybe I will cut salt out.

What do you mean by "keep ich down" - you mean you never had ich so you feel the salt did the trick?

Salt is not a preventative treatment if the illness isn't visible - many fish come home and are perfectly healthy - some are harboring diseases and the stress of being transferred or being put into an uncycled tank will bring on illness, but if you don't see anything & your fish are acting fine, there really isn't a point of using it routinely as stated above.

No... I had ich many times from having too many fish in the tank... when I used salt (which does not affect guppies, which I was raising for a local pet store) the ich went away... I finally started using some salt in the tank (as recommended by the pet store) and no ich ever came back.

Please note that this was 20 years ago before anyone else tells me salt is not good and the dangers of using it!

and another reason to not use salt-if you were to get a strain of some disease in the tank and you constantly dose salt, then when you medicate with salt it has a weaker effect bc of the tolerance built up by it.